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Avionics

STC SA2721SO

FAA DRS lists SA2721SO as Current · Reissued, held by Honeywell International Inc, for Boeing 737-500 Series and Boeing 737-300 Series. Recorded change: Installation of a dual TRA-67 Mode S Transponder system. Snapshot dated June 30, 2026.

Aircraft configurations
2
FAA revision date
FAA status
Current · Reissued

Recorded modification

What the FAA record covers

SA2721SO identifies the approval, recorded holder, named aircraft, and modification scope. It does not confirm kit availability, serial-number effectivity, data rights, price, or installation authority.

Applicability

Aircraft named in FAA DRS

Named aircraft: Boeing 737-500 Series and Boeing 737-300 Series. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Buyer checks

Confirm before sourcing